noun
endonuclease
A biological enzyme that cleaves DNA or RNA at internal sites. Used in molecular biology and biochemistry contexts.
制限酵素はエンドヌクレアーゼの一種です。
Restriction enzymes are a type of endonuclease.
Loanword from English 'endonuclease', composed of 'endo-' (within) and 'nuclease'.